and then of course our friends at dpw. so, please give yourselves all a great round of applause. (applause) >> and thanks, and keep pushing along with us. it make take us decades, but it's long worth the wait. and to celebrate that we are going to cut the ribbon and the three performers, there they are, are going to perform for us. so, i hope you will stick around for that. only in san francisco treat and a little vision accompaniment from our favor fire boat. so, thank you all very much. please, please, enjoy this day. thank you. (applause) >> all right, 3 2,, 1, go. [cheering and applauding] ... >> i love teaching. it is such an exhilarating experience when people began to feel their own creativity. >> this really is a place where all people can come and take a class and fill part of the community. this is very enriching as an artist. a lot of folks take these classes and take their digital imagery and turn it into negatives. >> there are not many black and white darkrooms available anymore. that is a really big draw. >> this is a signature piece. this is the bill largest darkr